Stop in for a cup of coffee

I don't have a book and don't see one on the net but the info should be out there. slag glass lamp M C and co. - Google Search

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Yeah, I search the internets for 3 hours yesterday and came up empty other than being able to identify the manufacturer. Lamps from that company seem to go from $400 to $1200 but I can’t find one similar enough to put a value on this one.